huh Származik csillagászat kipon focal reducer koszorú gyűjtő folytatni
Kipon to launch reducer to mount medium format lenses on full frame cameras: Digital Photography Review
Amazon.com : KIPON Baveyes 0.7X pro Lock Style Version Optical Adapter Focal Reducer for Mamiya 645 Mount Lens to Canon EOS R Mount Camera. : Electronics
KIPON 0.8x Focal Reducer for Mamiya 645 Lens MAMIYA645-GFX 0.8X